Merge pull request #51 from instana/better_runtime

Cleanup runtime initialization

Author: pglombardo

README.md

@@ -35,6 +35,14 @@ To enable the Flask instrumentation, set the following environment variable in y
 
   `export AUTOWRAPT_BOOTSTRAP=flask`
 
+## Runtime Monitoring Only
+
+_Note: When the Django or Flask instrumentation is used, runtime monitoring is automatically included.  Use this section if you only want to see runtime metrics._
+
+To enable runtime monitoring (without request tracing), set the following environment variable in your _application boot environment_ and then restart your application:
+
+  `export AUTOWRAPT_BOOTSTRAP=runtime`
+
 ## uWSGI
 
 ### Threads

instana/runtime.py

@@ -1,5 +1,3 @@
-import opentracing as ot
-from instana import tracer, options
 import os
 
 
@@ -10,6 +8,3 @@ def hook(module):
             print("==========================================================")
             print("Instana: Running runtime hook")
             print("==========================================================")
-
-        opts = options.Options()
-        ot.tracer = tracer.InstanaTracer(opts)